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Meeting Materials Science & Technology 2019
Symposium Synthesis, Characterization, Modeling and Applications of Functional Porous Materials
Presentation Title UntiDual-Layer MOF Composite Membranes with Tunable Gas Transport Properties for Post-combustion CO2 Separationtled
Author(s) David Hopkinson, Sameh Elsaidi, Surendar Venna, Mona Mohamed, Michael Gipple
On-Site Speaker (Planned) David Hopkinson
Abstract Scope We present a novel concept for the fabrication of dual-layer metal organic framework (MOF) membranes that show great promise in improving permeability and selectivity performance for CO2/NČ2 separation as compared with the individual constituent MOF materials. A highly selective thin MOF layer with narrow pore size was grown on the surface of a highly permeable MOF layer with large pore size. Most importantly, the interaction between the two layers was optimized between the two MOF materials to afford continuous, defect-free membranes. The two dual-layer MOF@MOF membranes: SIFISIX-3-Ni@SIFISIX-1-Cu and SIFISIX-3-Ni@HKUST-1, represent the first examples of pure inorganic membranes constructed from dual-layer MOF composites. The CO2/N2 selectivities of the HKUST-1 and SIFSIX-1-Cu membranes were improved from 5.2 to 13.0 and 3.4 to 7.8, respectively, after the growth of a selective layer of SIFSIX-3-Ni onto the surface of those materials.
Proceedings Inclusion? Definite: At-meeting proceedings


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UntiDual-Layer MOF Composite Membranes with Tunable Gas Transport Properties for Post-combustion CO2 Separationtled

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